Siemens 3RA7923-3D Contactor Accessories
Product parameters
| Product attributes | Attribute value | Filter product attributes |
|---|---|---|
| Brand: | Siemens | |
| Series: | 3RT7 | |
| Installation Location: | Top, Bottom | |
| Control Coil Voltage: | - | |
| Auxiliary Contacts: | - | |
| Product Type: | Connectors |
Series Overview
Series Overview
- S0 to S3 sizes, up to 45kW
Standards
- IEC 60947 - 1
- IEC 60947 - 4 - 1
- IEC 60947 - 5 - 1 (auxiliary contacts)
- 3RT7 contactors have passed climate testing and are suitable for any climatic conditions worldwide.
- When the environment in which the equipment is applied is different from the standard industrial environment (specified in EN 60721 - 3 - 3), the impact of the environment on the product's reliability and service life should be considered, and corresponding protective measures should be taken. If necessary, please contact Siemens technical support.
Adding Auxiliary Contacts
- S00 - sized contactors integrate 1 auxiliary contact (1NO or 1NC) in the body.
- S0 - sized contactors integrate 2 auxiliary contacts (1NO + 1NC) or no auxiliary contacts in the body.
- S2 and S3 - sized contactors have no auxiliary contacts integrated in the body.
- Contactors of all sizes can be further added with removable auxiliary contact blocks.
- S00 size can have a maximum of 5 contacts.
- S0/S2 sizes can have a maximum of 4 contacts.
- S3 size can have a maximum of 8 contacts.
- For all sizes, the number of normally closed contacts shall not exceed 4.
Motor Reference Power
- The motor power mentioned in the sample is the reference motor shaft output power (according to the nameplate).
Rated Control Voltage
- All contactors have models operated by AC.
Surge Suppression
- The entire series of 3RT7 contactors can provide RC absorption surge suppressors for suppressing coil surges.

Rachel
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